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Power Supply on/off question

Post Date: 2012-05-24
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Cypher 6 View Drop Down
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Posts: 9 		  Quote Cypher 6 Quote  Post ReplyReply bullet Topic: Power Supply on/off question
    Posted: 24 May 2012 at 4:30pm
Hello all, I just received my DS system and needless to say so far I'm EXTREMELY pleased (review forthcoming after I break it in).

I just have a rather silly question. The power supply that I have has an on/off switch (I was aware of this when ordering) but I wanted to know if it was better to leave it in the "on" position all the time or is it preferable to turn the switch "off" when powering down the system? I was so excited about ordering that I forgot to seek advice on this issue Oops. All the other PSU's I've had have not had the on/off switch.
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bprat22 View Drop Down
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Posts: 20391 		  Quote bprat22 Quote  Post ReplyReply bullet Posted: 24 May 2012 at 4:41pm
I turned mine on when setting it up and never touched it since.   Some turn of their surge protector each time they shut down.   I simply power off through Windows and that is it.      
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Cypher 6 View Drop Down
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Posts: 9 		  Quote Cypher 6 Quote  Post ReplyReply bullet Posted: 24 May 2012 at 4:59pm
That's what I was thinking. Thanks a lot, I appreciate it!
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westom View Drop Down
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Posts: 27 		  Quote westom Quote  Post ReplyReply bullet Posted: 24 May 2012 at 7:05pm
Originally posted by Cypher 6

 ...  but I wanted to know if it was better to leave it in the "on" position all the time or is it preferable to turn the switch "off" when powering down the system?
 

Other electronics have a black wall wart, vampire consumer, power brick, or whatever you want to call it.  When the appliance is off, that  'brick' still consumes watts.

 

  Your system has the same 'brick' inside.  A power switch is equivalent to removing the ‘power brick’ from a wall receptacle.  So that those additional watts do not create unnecessary heat.

 
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Asangard View Drop Down
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Posts: 2209 		  Quote Asangard Quote  Post ReplyReply bullet Posted: 24 May 2012 at 7:47pm
I turned on my PSU when I got my PC over 2 yrs ago.  I haven't touched it since.  Although I have every thing plugged into a surge protector.  Once I shut down within windows I turn off my surge protector.  I am one of those that bprat22 mentioned in his post.Hahaha
All evil comes from within,
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Therefore, the 1st step on the Holy Warrior path,
Is to recognize thyself as thy 1st enemy.
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jseidel View Drop Down
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Posts: 72 		  Quote jseidel Quote  Post ReplyReply bullet Posted: 24 May 2012 at 8:12pm
The battery on the motherboard that loads the CMOS is continuously charged by leaving the PS on. It will shorten the life of the motherboard battery if the power is cut off most of the time. I turn my PS switch off when replacing or adding components to the motherboard, such as a sound or video card or changing connections. Otherwise, it is ON all the time. I turn the computer off via Windows shutdown and that's it.
J.

Edited by jseidel - 24 May 2012 at 8:14pm
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Cypher 6 View Drop Down
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Posts: 9 		  Quote Cypher 6 Quote  Post ReplyReply bullet Posted: 24 May 2012 at 9:42pm
Thanks for the input everyone, great responses :)
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westom View Drop Down
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Posts: 27 		  Quote westom Quote  Post ReplyReply bullet Posted: 25 May 2012 at 6:50am

Originally posted by jseidel

The battery on the motherboard that loads the CMOS is continuously charged by leaving the PS on. It will shorten the life of the motherboard battery if the power is cut off most of the time..
 

   A CMOS battery is never recharged.  It is a not rechargeable lithium battery.
 
That battery does not discharge any faster when power is on or off.  Battery life expectancy is defined by something called 'shelf life'.  Shelf life is same whether the battery is on the motherboard or on a shelf. 

 

 Power to or not to the motherboard says nothing about CMOS battery life expectancy.  Most obvious.  That battery is not rechargeable.

 


Edited by westom - 25 May 2012 at 6:54am
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jseidel View Drop Down
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Posts: 72 		  Quote jseidel Quote  Post ReplyReply bullet Posted: 26 May 2012 at 11:38am
RE: Recharging of CMOS battery with power supply ON/Reply from westom -
Apparently I learned misinformation on another forum I participated in several years ago.
I stand corrected.
J.

Edited by jseidel - 26 May 2012 at 11:42am
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Tidgxor View Drop Down
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Posts: 13000 		  Quote Tidgxor Quote  Post ReplyReply bullet Posted: 26 May 2012 at 1:11pm
I only turn mine off when I'm cleaning or moving the system. I've been doing that since 95 or so with no issues (before then I always did, but I felt like eletronics were much more fickle in the 80s LOL), its really up to you! Smile 

Edited by Tidgxor - 26 May 2012 at 2:19pm
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FrankW View Drop Down
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Posts: 2254 		  Quote FrankW Quote  Post ReplyReply bullet Posted: 26 May 2012 at 2:16pm
Every since I got my first IBM 5100 in 1981 I have turned off my computers every night at the power strip. My computers last a long time and I have never had problems. Never had a memory stick, HDD, CPU or GPU fail.

Frank
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westom View Drop Down
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Posts: 27 		  Quote westom Quote  Post ReplyReply bullet Posted: 27 May 2012 at 6:33am

Originally posted by jseidel

  Apparently I learned misinformation on another forum I participated in several years ago. .
This industry is full of 'experts' who, for example, do not even know how electricity works.  An A+ Certified Tech needs no electrical knowledge to pass the test.

Essential to separating myths from reality are the reasons why.  Especially numbers.  Any recommendation without the underlying hard facts and numbers is best considered wild speculation.  See same with hyping of Arctic Silver, more chassis fans, and power conditioning.  More examples of knowledge generated by subjective reasoning in advertising or via hearsay.

 

Reasons why separate hard facts from myths.  Even if you do not know the underlying science.  Because myths become obvious if those provided reasons are bogus.  If a myth promoter cannot explains the underlying science.
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jseidel View Drop Down
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Posts: 72 		  Quote jseidel Quote  Post ReplyReply bullet Posted: 27 May 2012 at 10:30am
"This industry is full of 'experts' who, for example, do not even know how electricity works. An A+ Certified Tech needs no electrical knowledge to pass the test."
Yep, and even the current A+ Certification textbook contains the same misinformation I learned some time ago. Easy to understand how this got around:
CMOS Battery . . . Recharges?
J.

Edited by jseidel - 27 May 2012 at 10:32am
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Tidgxor View Drop Down
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Posts: 13000 		  Quote Tidgxor Quote  Post ReplyReply bullet Posted: 27 May 2012 at 10:55am
Are watch batteries rechargeable? Next question Hahaha
My Two Digital Storm Rigs: Mr. Bojangles (HAF-X, 2010) & Mrs. Bojingles (Bolt I, 2013).
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bprat22 View Drop Down
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Posts: 20391 		  Quote bprat22 Quote  Post ReplyReply bullet Posted: 27 May 2012 at 2:31pm
I heard if you blow on them hard enough, they will charge.   Wind Power Rocks.
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Asangard View Drop Down
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Posts: 2209 		  Quote Asangard Quote  Post ReplyReply bullet Posted: 27 May 2012 at 3:44pm
LOLLOLLOLLOL
Which wind power front or back?
All evil comes from within,
Not from Without,
Therefore, the 1st step on the Holy Warrior path,
Is to recognize thyself as thy 1st enemy.
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